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Add Minute

The ADD MINUTE pad starts the microwave oven for 1 minute at 
100% power. More cook time may be added in 1-minute 
increments by touching ADD MINUTE repeatedly.

The Add Minute function may be used only when no other 
function is operating.

Clock

This is a 12-hour clock and does not show a.m. or p.m.

To Set:

The microwave oven must be off.

1. Touch CLOCK SET.

2. Touch number pads to enter correct time of day.

3. Touch CLOCK SET.

Tones

Tones are audible signals, indicating the following:

One tone

Valid entry (short tone)

Two tones

End of stage in multistage cooking

Child Lock active (short tones)

Three tones

End of cycle

Five tones

During Auto Defrost cycle, reminder to check, turn, rearrange 
or separate food

Child Lock

The Child Lock disables the control panel pads to prevent 
unintended use of the microwave oven.

To Lock/Unlock Control: The microwave oven must be off. 
Touch and hold START/ENTER for 5 seconds until 2 tones sound 
and “L” appears on the display. Repeat to unlock and clear the 
display (2 tones will sound).

MICROWAVE OVEN USE

A magnetron in the oven produces microwaves which reflect off 
the metal floor, walls and ceiling and pass through the turntable 
and appropriate cookware to the food. Microwaves are attracted 
to and absorbed by fat, sugar and water molecules in the food, 
causing them to move, producing friction and heat which cooks 
the food.

Do not lean on or allow children to swing on the oven door.

Do not operate microwave oven when it is empty.

The turntable must be in place and correct side up when 
oven is in use. Do not use if turntable is chipped or broken. 
See “Assistance or Service” section to reorder.

Baby bottles and baby food jars should not be heated in the 
oven.

Clothes, flowers, fruit, herbs, wood, gourds, paper, including 
brown paper bags and newspaper should not be dried in the 
oven.

Do not use the microwave oven for canning, sterilizing or 
deep frying. The oven cannot maintain appropriate 
temperatures.

Paraffin wax will not melt in the oven because it does not 
absorb microwaves.

Use oven mitts or pot holders when removing containers from 
oven.

Do not overcook potatoes. At the end of the recommended 
cook time, potatoes should be slightly firm. Let potatoes 
stand for 5 minutes. They will finish cooking while standing.

Do not cook or reheat whole eggs inside the shell. Steam 
buildup in whole eggs may cause them to burst. Cover 
poached eggs and allow a standing time.

Food Characteristics

When microwave cooking, the amount, size and shape, starting 
temperature, composition and density of the food affect cooking 
results.

Amount of Food

The more food heated at once, the longer the cook time. Check 
for doneness and add small increments of time if necessary.

Size and Shape

Smaller pieces of food will cook more quickly than larger pieces, 
and uniformly shaped foods cook more evenly than irregularly 
shaped food. 

Starting Temperature

Room temperature foods will heat faster than refrigerated foods, 
and refrigerated foods will heat faster than frozen foods.

Composition and Density

Foods high in fat and sugar will reach a higher temperature and 
heat faster than other foods. Heavy, dense foods, such as meat 
and potatoes, require a longer cook time than the same size of a 
light, porous food, such as cake.

Cooking Guidelines

Covering

Covering food helps retain moisture, shorten cook time and 
reduce spattering. Use the lid supplied with cookware. If a lid is 
not available, wax paper, paper towels or plastic wrap approved 
for microwave ovens may be used. Plastic wrap should be turned 
back at one corner to provide an opening to vent steam.

Stirring and Turning

Stirring and turning redistributes heat evenly to avoid 
overcooking the outer edges of food. Stir from outside to center. 
If possible, turn food over from bottom to top.

Arranging

If heating irregularly shaped or different sized foods, the thinner 
parts and smaller sizes should be arranged toward the center. If 
cooking several items of the same size and shape, place them in 
a ring pattern, leaving the center of the ring empty.

Summary of Contents for MT4078SP

Page 1: ...EN Use CareGuide For questions about features operation performance parts accessories or service call 1 800 253 1301 or visit our website at www whirlpool com Table of Contents 2 8204861 3828W5A3571 Model MT4078SP ...

Page 2: ...isplay 6 Start Enter 6 Off Cancel 6 Add Minute 7 Clock 7 Tones 7 Child Lock 7 MICROWAVE OVEN USE 7 Food Characteristics 7 Cooking Guidelines 7 Cookware and Dinnerware 8 Aluminum Foil and Metal 8 Cooking Power 8 Cooking 9 Cooking in Stages 9 EZ CHOICE Feature 9 Defrosting 10 MICROWAVE OVEN CARE 10 General Cleaning 10 TROUBLESHOOTING 10 ASSISTANCE OR SERVICE 11 Replacement Parts 11 WARRANTY 12 ...

Page 3: ... for example closed glass jars are able to explode and should not be heated in the microwave oven Use the microwave oven only for its intended use as described in this manual Do not use corrosive chemicals or vapors in the microwave oven This type of oven is specifically designed to heat cook or dry food It is not designed for industrial or laboratory use As with any appliance close supervision is...

Page 4: ... SUDDENLY BOILING OVER WHEN THE CONTAINER IS DISTURBED OR A SPOON OR OTHER UTENSIL IS INSERTED INTO THE LIQUID Do not overheat the liquid Stir the liquid both before and halfway through heating it Do not use straight sided containers with narrow necks After heating allow the container to stand in the microwave oven for a short time before removing the container Use extreme care when inserting a sp...

Page 5: ...rcuit breaker is required A time delay fuse is recommended It is recommended that a separate circuit serving only this appliance be provided WARNING Fire Hazard Do not install the oven next to or over a heat source without a UL approved trim kit Doing so can result in death fire or electrical shock WARNING Electrical Shock Hazard Plug into a grounded 3 prong outlet Failure to follow these instruct...

Page 6: ...y other time a power failure has occurred Reset the clock if needed When the microwave oven is in use the display shows cooking power quantities weights and or prompts When the microwave oven is not in use the display shows the time of day if the Clock is set Start Enter The START ENTER pad begins any function If cooking is interrupted touching START ENTER will resume the preset cycle Off Cancel T...

Page 7: ...maintain appropriate temperatures Paraffin wax will not melt in the oven because it does not absorb microwaves Use oven mitts or pot holders when removing containers from oven Do not overcook potatoes At the end of the recommended cook time potatoes should be slightly firm Let potatoes stand for 5 minutes They will finish cooking while standing Do not cook or reheat whole eggs inside the shell Ste...

Page 8: ...ays use the turntable Do not allow contact with another metal object during cooking Do Not Use Metal cookware and bakeware gold silver pewter non approved meat thermometers skewers twist ties foil liners such as sandwich wrappers staples and objects with gold or silver trim or a metallic glaze should not be used in the oven CookingPower Many recipes for microwave cooking specify which cooking powe...

Page 9: ...t as a guide To Use the EZ CHOICE Feature 1 Touch one of the EZ CHOICE pads 2 The display will show first programmed quantity Touch the pad again to change quantity See chart for available quantities 3 The microwave oven will begin cooking automatically after a few seconds When the cycle ends END will appear in the display and 3 end of cycle tones will sound 4 Touch OFF CANCEL or open the door to ...

Page 10: ...OVEN CAVITY Do not use soap filled scouring pads abrasive cleaners steel wool pads gritty washcloths or some recycled paper towels Damage may occur On stainless steel models rub in direction of grain to avoid damaging The area where the oven door and frame touch when closed should be kept clean Average soil Mild nonabrasive soaps and detergents Rinse with clean water and dry with soft lint free cl...

Page 11: ...ake sure these areas are clean ASSISTANCE OR SERVICE Before calling for assistance or service please check Troubleshooting It may save you the cost of a service call If you still need help follow the instructions below When calling please know the purchase date and the complete model and serial number of your appliance This information will help us to better respond to your request If you need rep...

Page 12: ...BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow the exclusion or limitation of incidental or consequential damages so this exclusion or limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which may vary from state to state Outside the 50 United States this warranty does not apply Contact your authorized Whirlpo...

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